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December 16, 2020
Our November analysis of Dr.Web’s statistics revealed a 1.75% decrease in the total number of threats compared to the previous month. With that, the number of unique threats increased by 5.26%. Users were mostly exposed to adware and trojan downloaders. Email traffic was dominated by various malware that includes a backdoor written in .NET, the Trojan.SpyBot.699 banking trojan, and malicious programs exploiting vulnerabilities in Microsoft Office utilities.
The number of requests to decrypt files affected by trojan encoders decreased by 3.08% compared to October. Trojan.Encoder.26996 was the most active, accounting for 36.68% of all incidents.
In November 2020 Doctor Web virus analysts detected a phishing attack targeting corporate users. The attackers used social engineering to trick possible victims into opening malicious attachments. The emails in question contained trojan malware that covertly install and launch Remote Utilities software. The software components were also included in the attachment. In the event of a successful attack, the affected computers would be vulnerable to unauthorized remote control without any visual signs of a running program.
The most common threats in November:
In November, Doctor Web’s virus laboratory registered 3.08% fewer requests to decode files encoded by trojan ransomware than in October.
In November 2020, the database of non-recommended and malicious websites was updated with 154,606 webpages.
In November, Dr.Web’s statistics for Android devices confirmed an almost 5.14% decrease in the total number of threats on protected devices compared with October.
Google Play is still vulnerable to hosting various malicious apps. In the past month Doctor Web virus analysts discovered other trojans within the catalog. They include modifications of Android.Joker capable of running arbitrary code and subscribing Android users to paid services. The multifunctional Android.Mixi.44.origin trojan was also spotted.
The following November events regarding mobile malware are the most noteworthy:
Find out more about malicious and unwanted programs for mobile devices in our special overview.